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Scheikunde > Formules > Flashcards

Formules Flashcards

1
Q

What is the formula for acetic acid?

A

CH₃COOH

Acetic acid is often referred to as vinegar in its aqueous form.

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2
Q

What is the formula for ammonia in aqueous solution?

A

NH₃(aq)

Ammonia is a common compound used in various chemical reactions.

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3
Q

What is the gaseous form of ammonia?

A

NH₃(g)

Ammonia in gas form is used in industrial applications.

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4
Q

What is the ion form of ammonia?

A

NH₄⁺

Ammonium ion is formed when ammonia accepts a proton.

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5
Q

What is the formula for phosphoric acid in solid form?

A

H₃PO₄(s)

Phosphoric acid is a key ingredient in many fertilizers.

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6
Q

What is the formula for phosphoric acid in aqueous solution?

A

H₃PO₄(aq)

Phosphoric acid in solution is commonly used in food products.

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7
Q

What is the formula for barium hydroxide in aqueous solution?

A

Ba(OH)₂(aq)

Barium hydroxide is used in chemical synthesis and analysis.

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8
Q

What is the formula for potassium hydroxide in aqueous solution?

A

KOH(aq)

Potassium hydroxide is a strong base used in various applications.

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9
Q

What is the formula for calcium carbonate?

A

CaCO₃

Calcium carbonate is commonly found in rocks and minerals.

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10
Q

What is the ion form of calcium in aqueous solution?

A

Ca²⁺(aq)

Calcium ions are important for biological systems.

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11
Q

What is the formula for carbon dioxide?

A

CO₂

Carbon dioxide is a key greenhouse gas.

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12
Q

What is the formula for carbonic acid in aqueous solution?

A

H₂CO₃(aq)

Carbonic acid forms when carbon dioxide dissolves in water.

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13
Q

What is the formula for nitrate in aqueous solution?

A

NO₃⁻(aq)

Nitrate is commonly found in fertilizers and is important for plant growth.

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14
Q

What is the formula for sulfuric acid in liquid form?

A

H₂SO₄(l)

Sulfuric acid is a strong acid widely used in industry.

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15
Q

What is the formula for water?

A

H₂O

Water is vital for all known forms of life.

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16
Q

What is the formula for salicylic acid?

A

C₇H₆O₃

Salicylic acid is used in various medicinal applications.

17
Q

What is the formula for sodium hydroxide in aqueous solution?

A

NaOH(aq)

Sodium hydroxide is a strong base used in cleaning products and chemical synthesis.

18
Q

What is the formula for hydrofluoric acid?

A

HF

Hydrofluoric acid is used for etching glass and other materials.

19
Q

What is the formula for sulfurous acid?

A

H₂SO₃

Sulfurous acid is a weak acid formed from sulfur dioxide in water.

20
Q

What is the formula for dihydrogen phosphate?

A

H₂PO₄⁻

Dihydrogen phosphate is an important biochemical compound.

21
Q

What is the formula for hydroxide ion?

A

OH⁻

Hydroxide ions are essential in acid-base reactions.

22
Q

True or False: Calcium carbonate is commonly used in antacids.

A

True

Calcium carbonate neutralizes excess stomach acid.

23
Q

Fill in the blank: The formula for sodium sulfate is _______.

A

Na₂SO₄

Sodium sulfate is used in detergents and glass manufacturing.

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